摘要:
The disclosure is concerned with An electromagnetic shielding plate comprising an electromagnetic shielding member of electrical conductivity and a front panel disposed to an end of the electromagnetic shielding member. The disclosure is also concerned with a circuit board chassis, which comprises a casing, guide rails disposed in the inside of the casing for inserting circuit boards and a plurality of electromagnetic shielding plates each comprising an electromagnetic shielding member and a front panel, the electromagnetic shielding plates being located between the circuit boards, wherein the electromagnetic shielding plates and the casing are electrically connected by means of front panels.
摘要:
A method of controlling a stage comprising: acquiring a first moving speed of the stage based upon position information from a laser interferometer for measuring a position of the stage; controlling the moving speed of the stage based upon the first speed; determining a second moving speed of the stage based upon the number of rotation of a motor for moving the stage; controlling the moving speed of the stage based upon the second moving speed; and acquiring a ratio of the second moving speed to the first moving speed based upon the first moving speed.
摘要:
A method of controlling a stage comprising: acquiring a first moving speed of the stage based upon position information from a laser interferometer for measuring a position of the stage; controlling the moving speed of the stage based upon the first speed; determining a second moving speed of the stage based upon the number of rotation of a motor for moving the stage; controlling the moving speed of the stage based upon the second moving speed; and acquiring a ratio of the second moving speed to the first moving speed based upon the first moving speed.
摘要:
An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core.
摘要:
An optical element mounting method includes: illuminating ultraviolet light onto a polymer optical waveguide device; under the ultraviolet light illumination, capturing, by an image pickup device, the polymer optical waveguide device including a light incident/exiting position of a waveguide core; and judging, from a difference between bright and dark in a captured image, that a portion brighter than other portions or a portion darker than other portions is the light incident/exiting position of the waveguide core.
摘要:
An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that surrounds the optical waveguide core and has a lower refractive index than that of the optical waveguide core; an electric wiring portion including silver or a silver alloy and formed on at least a part of a principal surface of the optical waveguide film main body; and a protective layer including a titanium layer or a titanium alloy layer and disposed to cover the electric wiring portion.
摘要:
An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core.
摘要:
The present invention provides an optical waveguide including: a cladding; at least one core embedded in the cladding; and a colored layer that is provided at a portion substantially overlapping with the core when viewed from a direction substantially perpendicular to the principal surfaces of the optical waveguide, and that is not in contact with the core.
摘要:
An optical waveguide includes: a center layer including at least two core layers whose edges are on substantially the same plane, and a first cladding layer provided between adjacent core layers; and a second cladding layer provided at least on both of front and rear surfaces of the center layer. At least surfaces of the core layer and the first cladding layer that are in contact with the second cladding layer include at least one resin selected from the group consisting of a resin having a hydroxyl group and a resin containing a silicon-silicon bond at a main chain thereof, and the second cladding layer includes a silicone resin.
摘要:
An optical element mounting method includes: illuminating ultraviolet light onto a polymer optical waveguide device; under the ultraviolet light illumination, capturing, by an image pickup device, the polymer optical waveguide device including a light incident/exiting position of a waveguide core; and judging, from a difference between bright and dark in a captured image, that a portion brighter than other portions or a portion darker than other portions is the light incident/exiting position of the waveguide core.